h1 {
	text-align: center;
	color: red;
}

h2 {
	text-align: center;
	color: red;
}

h3 {
	text-align: center;
	color: red;
}

h4 {
	text-align: center;
	color: red;
}

.fanhui {
	text-align: center;
}

button {
	padding: 10px;
	background-color: #CDC673;
	border: 1px solid black;
	border-radius: 4px;
	cursor: pointer;
	margin-top: 10px;
}

a {
	text-decoration: none;
	color: black;
}